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GMC 20913529 Stop Lamp Switch

2004-2009 GMC Canyon

Customer Questions & Expert Answers (2)
20913529 GM Stop Lamp Switch Product Photo 1 of 2
  • Part Description
    Switch, Stop Lamp Switch
  • Replaces
    15186470, 15912229, 25796381
  • Manufacturer
    General Motors
Make sure this part fits
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  • Specifications
  • Fitment
  • Q&A
  • Product Specifications

    BrandGenuine GMC
    Manufacturer Part Number20913529
    Part DescriptionStop Lamp Switch; Switch, Stop Lamp Switch
    Item Dimensions3.2 x 2.2 x 2.0 inches
    Item Weight0.40 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    Replaces15186470, 15912229, 25796381
    ManufacturerGeneral Motors
    SKU20913529
    WarrantyThis genuine GM part is guaranteed by GM's factory warranty.
    Shipping & ReturnShipping Policy Return Policy
    Warning: California's Proposition 65
  • Vehicle Fitment

    Year Make Model Engine Important vehicle option details
    2004-2009 GMC Canyon4 Cyl 2.8L, 4 Cyl 2.9L, 5 Cyl 3.5L, 5 Cyl 3.7L, 8 Cyl 5.3LPICKUP, PICKUP CREW CAB, PICKUP EXTENDED CAB, PICKUP EXTENDED LENGTH
  • Customer Questions & Expert Answers

    Q:
    I would like to confirm if this is the correct part number for my vehicle. Please advise. Thank you.
    A:
    You can Select Your Vehicle to check if 20913529 fits your vehicle.
    Posted and answered by GM Parts Specialist Henry
    Q:
    How to diagnose and replace the Brake Light Switch on GMC Canyon? Posted by Abner G.
    A:
    The brake light switch activates the brake lights when the pedal is depressed. To access the switch, the under-dash panel and the heater/air conditioning duct need to be removed. If voltage is present, check the brake light wires at the tail light housings for power with the brake pedal depressed. If there is no voltage, repair the circuit between the switch and the brake lights. If voltage is present, check for bad ground by using a jumper wire connected to good ground and probing the ground wire terminal at the tail light connector.
    You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Fernando / Aug 25, 2025

Genuine GM Part 20913529, the Right Choice

To ensure reliability, purchase GM part # 20913529 Stop Lamp Switch. It is sometimes referred to as GMC Brake Light Switch. Directly from GM, genuine parts are superb with regards to quality, longevity, and fit. Every single part passed stringent quality testing, so you can be sure that it's safe, durable, and built to perform like your original parts. This part fits specific GMC Canyon models.

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